| 发明名称 | Valve stem repair method | ||
| 摘要 | A method for repairing damaged valve stem assemblies includes enlarging a bore within a body of a valve stem to form an enlarged bore portion and creating a conical hole in an end of the valve stem body around the enlarged bore portion. Internal threads are created within the enlarged bore portion, and a valve stem repair extension is installed in the enlarged bore portion. The valve stem repair extension has a beveled surface that mates with the conical hole to form a hermetic seal between the valve stem body and the valve stem repair extension. The steps of enlarging the bore and creating the conical hole may both be performed using a countersinking drill bit having a beveled cutting portion. | ||
| 申请公布号 | US9162327(B2) | 申请公布日期 | 2015.10.20 |
| 申请号 | US201314136606 | 申请日期 | 2013.12.20 |
| 申请人 | Summit Tool Company | 发明人 | Kliskey Roger;Tyson Rockford |
| 分类号 | B23P6/00;B23P6/04;F16K15/20 | 主分类号 | B23P6/00 |
| 代理机构 | Renner Kenner Greive Bobak Taylor & Weber | 代理人 | Renner Kenner Greive Bobak Taylor & Weber |
| 主权项 | 1. A method of repairing damaged valve stems comprising: a. enlarging a bore within a body of a valve stem to form an enlarged bore portion; b. creating a conical hole in an end of the valve stem body around said enlarged bore portion; c. creating internal threads within said enlarged bore portion; and d. installing a valve stem repair extension in said enlarged bore portion, said valve stem repair extension having a beveled surface that mates with said conical hole to form a hermetic seal between said valve stem body and said valve stem repair extension. | ||
| 地址 | Akron OH US | ||